From 14ebe23f0df8fd12bb72aa969b9a712aa925f3e8 Mon Sep 17 00:00:00 2001
From: Emile Belanger <emile.belanger@gmail.com>
Date: Mon, 25 Oct 2021 16:22:29 +0100
Subject: [PATCH] Fix compilation with USE_GLES2 = 1

---
 source/common/rendering/gles/gles_system.cpp | 4 ++--
 source/common/rendering/gles/gles_system.h   | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/source/common/rendering/gles/gles_system.cpp b/source/common/rendering/gles/gles_system.cpp
index 37ee31f34..79f6e0a48 100644
--- a/source/common/rendering/gles/gles_system.cpp
+++ b/source/common/rendering/gles/gles_system.cpp
@@ -62,7 +62,6 @@ static PROC(WINAPI* getprocaddress)(LPCSTR name);
 
 static void* LoadGLES2Proc(const char* name)
 {
-
 	HINSTANCE hGetProcIDDLL = LoadLibraryA("libGLESv2.dll");
 	
 	int error =	GetLastError();
@@ -71,6 +70,7 @@ static void* LoadGLES2Proc(const char* name)
 	if (!addr)
 	{
 		//exit(1);
+		return nullptr;
 	}
 	else
 	{
@@ -182,7 +182,7 @@ namespace OpenGLESRenderer
 #if USE_GLES2
 		gles.depthStencilAvailable = CheckExtension("GL_OES_packed_depth_stencil");
 		gles.npotAvailable = CheckExtension("GL_OES_texture_npot");
-		gles.depthClampAvailable = CheckExtension("GL_EXT_depth_clamp")
+		gles.depthClampAvailable = CheckExtension("GL_EXT_depth_clamp");
 #else
 		gles.depthStencilAvailable = true;
 		gles.npotAvailable = true;
diff --git a/source/common/rendering/gles/gles_system.h b/source/common/rendering/gles/gles_system.h
index f72b41637..d7f6ed139 100644
--- a/source/common/rendering/gles/gles_system.h
+++ b/source/common/rendering/gles/gles_system.h
@@ -42,6 +42,7 @@ GLAPI PFNGLUNMAPBUFFEROESPROC glUnmapBuffer;
 #define GL_MAP_UNSYNCHRONIZED_BIT         0x0020
 #define GL_MAP_INVALIDATE_BUFFER_BIT      0x0008
 #define GL_BGRA                           0x80E1
+#define GL_DEPTH_CLAMP                    0x864F
 
 #else
 	#include "gl_load/gl_load.h"